Commodity2005200620072008200920102011
Telephonic/telegraphic switching app.$2,630,796$10,668,320$79,163,866$90,821,678$98,914,467$101,395,953$132,274,346
Parts of the app. & equip. of 85.17$16,608,840$22,563,484$68,457,305$53,058,172$22,775,030$33,925,566$35,927,344
Total$19,239,636$33,231,804$147,621,171$143,879,850$121,689,497$135,321,519$168,201,690